EP3875937A4 - REDUCED PRELOAD DETECTION PROCESS IN A BALL SCREW AND LINEAR MOTION DRIVE DEVICE - Google Patents

REDUCED PRELOAD DETECTION PROCESS IN A BALL SCREW AND LINEAR MOTION DRIVE DEVICE Download PDF

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Publication number
EP3875937A4
EP3875937A4 EP19880076.5A EP19880076A EP3875937A4 EP 3875937 A4 EP3875937 A4 EP 3875937A4 EP 19880076 A EP19880076 A EP 19880076A EP 3875937 A4 EP3875937 A4 EP 3875937A4
Authority
EP
European Patent Office
Prior art keywords
drive device
ball screw
linear motion
motion drive
detecting decreased
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19880076.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3875937A1 (en
EP3875937B1 (en
Inventor
Keisuke Matsumura
Yushi Ootani
Satoshi Hashimoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NSK Ltd
Original Assignee
NSK Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NSK Ltd filed Critical NSK Ltd
Publication of EP3875937A1 publication Critical patent/EP3875937A1/en
Publication of EP3875937A4 publication Critical patent/EP3875937A4/en
Application granted granted Critical
Publication of EP3875937B1 publication Critical patent/EP3875937B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00—Testing of machine parts
    • G01M13/02—Gearings; Transmission mechanisms
    • G01M13/028—Acoustic or vibration analysis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H25/22—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H25/22—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
    • F16H25/2204—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
    • G01H1/003—Measuring characteristics of vibrations in solids by using direct conduction to the detector of rotating machines
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00—Testing of machine parts
    • G01M13/04—Bearings
    • G01M13/045—Acoustic or vibration analysis

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
EP19880076.5A 2018-10-29 2019-10-16 Method for detecting decreased preload in ball screw and linear motion drive device Active EP3875937B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018202722 2018-10-29
PCT/JP2019/040729 WO2020090479A1 (ja) 2018-10-29 2019-10-16 ボールねじの予圧低下検出方法及び直動駆動装置

Publications (3)

Publication Number Publication Date
EP3875937A1 EP3875937A1 (en) 2021-09-08
EP3875937A4 true EP3875937A4 (en) 2021-12-22
EP3875937B1 EP3875937B1 (en) 2024-07-31

Family

ID=70464026

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19880076.5A Active EP3875937B1 (en) 2018-10-29 2019-10-16 Method for detecting decreased preload in ball screw and linear motion drive device

Country Status (6)

Country Link
US (1) US11921004B2 (zh)
EP (1) EP3875937B1 (zh)
JP (2) JPWO2020090479A1 (zh)
KR (1) KR20210080353A (zh)
CN (1) CN112740004B (zh)
WO (1) WO2020090479A1 (zh)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7306967B2 (ja) * 2019-11-06 2023-07-11 株式会社日本製鋼所 異常検知装置、異常検知方法及びコンピュータプログラム
CN113834595B (zh) * 2020-06-08 2024-04-26 上银科技股份有限公司 滚珠螺杆预压衰退判定方法
JP7014869B1 (ja) 2020-09-03 2022-02-01 上銀科技股▲分▼有限公司 ボールねじの予圧低下の検出方法
US11435262B2 (en) 2020-09-08 2022-09-06 Hiwin Technologies Corp. Method for assessing preload degradation of ball screw
KR102419817B1 (ko) * 2020-09-14 2022-07-11 하이윈 테크놀로지스 코포레이션 볼 스크류의 프리로드 열화 평가 방법
JP2022170506A (ja) * 2021-04-28 2022-11-10 オークマ株式会社 送り軸機構の異常診断装置
JP7501452B2 (ja) 2021-06-09 2024-06-18 トヨタ自動車株式会社 ボールねじメンテナンス管理システム及びボールねじメンテナンス管理方法
JP7309820B2 (ja) * 2021-11-24 2023-07-18 上銀科技股▲分▼有限公司 リニア伝動装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012229953A (ja) * 2011-04-25 2012-11-22 Nsk Ltd ボールねじの異常検出方法および装置
JP2013257253A (ja) * 2012-06-14 2013-12-26 Nsk Ltd ボールねじ装置の異常検出装置及び異常検出方法
US20150354690A1 (en) * 2014-06-04 2015-12-10 Hiwin Technologies Corp. System and method for monitoring preload in ball screw
JP2018017689A (ja) * 2016-07-29 2018-02-01 オークマ株式会社 送り軸の異常判定方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9318087D0 (en) 1993-09-01 1993-10-20 Air Force Ltd Apparatus and method for removating playing area
KR100230097B1 (ko) 1996-09-25 1999-11-15 유기범 안내대기능을 갖춘 전전자교환기
EP1548419B1 (en) * 2002-08-30 2013-07-24 NSK Ltd. Method and device for monitoring status of mechanical equipment and abnormality diagnosing device
US7860663B2 (en) * 2004-09-13 2010-12-28 Nsk Ltd. Abnormality diagnosing apparatus and abnormality diagnosing method
CN2775396Y (zh) * 2005-03-03 2006-04-26 深圳市威远精密技术有限公司 可调式滚珠丝杠副螺母
JP4003088B2 (ja) * 2006-12-20 2007-11-07 日本精工株式会社 回転体の異常診断方法及び装置
JP2009198398A (ja) * 2008-02-22 2009-09-03 Nsk Ltd 転がり直動装置の作動状態検査方法および作動状態検査装置
JP5217743B2 (ja) 2008-07-31 2013-06-19 日本精工株式会社 ボールねじの異常判定方法、並びに異常判定装置およびこれを備えた直動駆動装置
WO2012046387A1 (ja) * 2010-10-08 2012-04-12 平田機工株式会社 スライダ装置
JP5933352B2 (ja) * 2012-06-08 2016-06-08 加藤　平三郎 補助軸受装置
US20140229125A1 (en) * 2013-02-08 2014-08-14 National Chung Cheng University Method of detecting preload of ball screw
CN108778901B (zh) * 2016-03-15 2021-11-26 日立安斯泰莫株式会社 动力转向装置的控制装置
JP6276817B1 (ja) * 2016-09-09 2018-02-07 Thk株式会社 故障検出用センサ付きアクチュエータ及びアクチュエータの故障検出方法
CN107063679B (zh) * 2017-01-18 2020-01-10 北京工业大学 结构调谐共振的齿轮缺陷快速检测方法及检测装置
CN106907449B (zh) * 2017-03-30 2019-06-07 中村精机（无锡）有限公司 电缸用滚珠丝杠预压调节方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012229953A (ja) * 2011-04-25 2012-11-22 Nsk Ltd ボールねじの異常検出方法および装置
JP2013257253A (ja) * 2012-06-14 2013-12-26 Nsk Ltd ボールねじ装置の異常検出装置及び異常検出方法
US20150354690A1 (en) * 2014-06-04 2015-12-10 Hiwin Technologies Corp. System and method for monitoring preload in ball screw
JP2018017689A (ja) * 2016-07-29 2018-02-01 オークマ株式会社 送り軸の異常判定方法

Also Published As

Publication number Publication date
US20220099526A1 (en) 2022-03-31
EP3875937A1 (en) 2021-09-08
JPWO2020090479A1 (ja) 2021-02-15
US11921004B2 (en) 2024-03-05
JP2021028642A (ja) 2021-02-25
CN112740004B (zh) 2024-03-12
WO2020090479A1 (ja) 2020-05-07
JP7375733B2 (ja) 2023-11-08
KR20210080353A (ko) 2021-06-30
CN112740004A (zh) 2021-04-30
EP3875937B1 (en) 2024-07-31

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